Some protecting drugs including cerebral protective fluid is in research and some progresses have been achieved, while inferior vena cava occlusion during RCP is still in research.
在脑保护液中加入脑保护药物已取得一定进展，而上腔静脉逆行性灌注中束闭下腔静脉的研究仍在进行中。
2
During the past 50 years, the discovery and synthesis of steroid drugs is one of the two remarkable developments in medical industry, which has become the second large drug inferior to antibiotics.